ACLs are a common tool for matching routes. ACLs are classified into multiple types based on ACL rule functions. An ACL can be identified by a number, and the number range for each type of ACLs is different.
Which of the following type of ACLs are numbered from 4000 to 4999?

• A.User-defined ACL
• B.Basic ACL
• C.Layer 2 ACL
• D.Advance ACL

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Regarding BGP MED, which of the following descriptions are correct? (Multiple choice)

• A.By default, if there is no MED value set in the route attribute, press Process. If the best route med- none-as maximum command is configured. Then the maximum value of the MED correction is 4294967295 to process
• B.The default value of BGP route MED is 0
• C.In BGP route selection rules, the priority of MED is lower than AS-Path, Preferred-Value, Local- Preference, Origin.
• D.By default, BGP route selection rules can compare the distance between routes from different autonomous systems

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ASPF enables the firewall to support multi-channel protocols such as FTP and to define security policies for complex applications.

• A.TRUE
• B.FALSE

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The four routers R1, R2, R3 and R4 enable OSPF to establish neighbor relationships. The topology and related parameters are shown in the figure.

At this time, R2 is disconnected for some reason, so the Hello report transmitted between R1, R3 and R4 In the text, which of the following is the value of the BDR field?

• A.12.12.12.2
• B.1.1.1.1
• C.12.12.12.3
• D.12.12.12.1
• E.2.2.2.2
• F.0.0.0.0

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In a route-policy, which of the following BGP attributes can be used in apply clauses?

• A.Tag
• B.MED
• C.AS_Path
• D.Local-Preference

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